Home / 28,938.12-43,420.67-10,232.31

Finding the Fourth Proportional to 28,938.12, 43,420.67 and 10,232.31

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Solution

The fourth proportional to 28,938.12, 43,420.67 and 10,232.31 is: 15,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.12 : 43,420.67 = 10,232.31 : x
  2. Step 2: Convert to fraction form
    28,938.12/43,420.67 = 10,232.31/x
  3. Step 3: Cross multiply
    28,938.12x = 43,420.67 × 10,232.31
  4. Step 4: Simplify right side
    28,938.12x = 444,293,755.85
  5. Step 5: Solve for x
    x = 444,293,755.85/28,938.12
  6. Step 6: Final answer
    x = 15,353.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.